2 * Copyright(c) 2017 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 using System.Runtime.InteropServices;
20 using Tizen.NUI.BaseComponents;
21 using System.ComponentModel;
26 /// The StyleManager informs applications of the system theme change, and supports application theme change at runtime.<br />
27 /// Applies various styles to controls using the properties system.<br />
28 /// On theme change, it automatically updates all controls, then raises a event to inform the application.<br />
29 /// If the application wants to customize the theme, RequestThemeChange needs to be called.<br />
30 /// It provides the path to the application resource root folder, from there the filename can be specified along with any subfolders, for example, Images, Models, etc.<br />
32 /// <since_tizen> 3 </since_tizen>
33 public class StyleManager : BaseHandle
35 private global::System.Runtime.InteropServices.HandleRef swigCPtr;
37 internal StyleManager(global::System.IntPtr cPtr, bool cMemoryOwn) : base(NDalicPINVOKE.StyleManager_SWIGUpcast(cPtr), cMemoryOwn)
39 swigCPtr = new global::System.Runtime.InteropServices.HandleRef(this, cPtr);
42 internal static global::System.Runtime.InteropServices.HandleRef getCPtr(StyleManager obj)
44 return (obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr;
47 private static readonly StyleManager instance = StyleManager.Get();
50 /// Gets the singleton of the StyleManager object.
52 /// <since_tizen> 5 </since_tizen>
53 public static StyleManager Instance
62 /// Style changed event arguments.
64 /// <since_tizen> 3 </since_tizen>
65 public class StyleChangedEventArgs : EventArgs
67 private StyleManager _styleManager;
68 private StyleChangeType _styleChange;
73 /// <since_tizen> 3 </since_tizen>
74 public StyleManager StyleManager
82 _styleManager = value;
87 /// StyleChange - contains the style change information (default font changed or
88 /// default font size changed or theme has changed).<br />
90 /// <since_tizen> 3 </since_tizen>
91 public StyleChangeType StyleChange
105 [UnmanagedFunctionPointer(CallingConvention.StdCall)]
106 private delegate void StyleChangedCallbackDelegate(IntPtr styleManager, Tizen.NUI.StyleChangeType styleChange);
107 private EventHandler<StyleChangedEventArgs> _styleManagerStyleChangedEventHandler;
108 private StyleChangedCallbackDelegate _styleManagerStyleChangedCallbackDelegate;
111 /// An event for the StyleChanged signal which can be used to subscribe or unsubscribe the
112 /// event handler provided by the user.<br />
113 /// The StyleChanged signal is emitted after the style (for example, theme or font change) has changed
114 /// and the controls have been informed.<br />
116 /// <since_tizen> 3 </since_tizen>
117 public event EventHandler<StyleChangedEventArgs> StyleChanged
121 if (_styleManagerStyleChangedEventHandler == null)
123 _styleManagerStyleChangedCallbackDelegate = (OnStyleChanged);
124 StyleChangedSignal().Connect(_styleManagerStyleChangedCallbackDelegate);
126 _styleManagerStyleChangedEventHandler += value;
130 _styleManagerStyleChangedEventHandler -= value;
131 if (_styleManagerStyleChangedEventHandler == null && StyleChangedSignal().Empty() == false)
133 StyleChangedSignal().Disconnect(_styleManagerStyleChangedCallbackDelegate);
138 // Callback for StyleManager StyleChangedsignal
139 private void OnStyleChanged(IntPtr styleManager, StyleChangeType styleChange)
141 StyleChangedEventArgs e = new StyleChangedEventArgs();
143 // Populate all members of "e" (StyleChangedEventArgs) with real data.
144 e.StyleManager = Registry.GetManagedBaseHandleFromNativePtr(styleManager) as StyleManager;
145 e.StyleChange = styleChange;
147 if (_styleManagerStyleChangedEventHandler != null)
149 //Here we send all data to user event handlers.
150 _styleManagerStyleChangedEventHandler(this, e);
155 /// Creates a StyleManager handle.<br />
156 /// This can be initialized with StyleManager::Get().<br />
158 /// <since_tizen> 3 </since_tizen>
159 public StyleManager() : this(NDalicPINVOKE.new_StyleManager(), true)
161 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
165 /// Gets the singleton of StyleManager object.
167 /// <returns>A handle to the StyleManager control.</returns>
168 /// <since_tizen> 3 </since_tizen>
169 public static StyleManager Get()
171 StyleManager ret = new StyleManager(NDalicPINVOKE.StyleManager_Get(), true);
172 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
177 /// Applies a new theme to the application.<br />
178 /// This will be merged on the top of the default Toolkit theme.<br />
179 /// If the application theme file doesn't style all controls that the
180 /// application uses, then the default Toolkit theme will be used
181 /// instead for those controls.<br />
183 /// <param name="themeFile">A relative path is specified for style theme.</param>
184 /// <since_tizen> 3 </since_tizen>
185 public void ApplyTheme(string themeFile)
187 NDalicPINVOKE.StyleManager_ApplyTheme(swigCPtr, themeFile);
188 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
192 /// Applies the default Toolkit theme.
194 /// <since_tizen> 3 </since_tizen>
195 public void ApplyDefaultTheme()
197 NDalicPINVOKE.StyleManager_ApplyDefaultTheme(swigCPtr);
198 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
202 /// Sets a constant for use when building styles.
204 /// <param name="key">The key of the constant.</param>
205 /// <param name="value">The value of the constant.</param>
206 /// <since_tizen> 3 </since_tizen>
207 public void AddConstant(string key, PropertyValue value)
209 NDalicPINVOKE.StyleManager_SetStyleConstant(swigCPtr, key, PropertyValue.getCPtr(value));
210 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
214 /// Returns the style constant set for a specific key.
216 /// <param name="key">The key of the constant.</param>
217 /// <param name="valueOut">The value of the constant if it exists.</param>
218 /// <returns></returns>
219 /// <since_tizen> 3 </since_tizen>
220 public bool GetConstant(string key, PropertyValue valueOut)
222 bool ret = NDalicPINVOKE.StyleManager_GetStyleConstant(swigCPtr, key, PropertyValue.getCPtr(valueOut));
223 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
228 /// Applies the specified style to the control.
230 /// <param name="control">The control to which to apply the style.</param>
231 /// <param name="jsonFileName">The name of the JSON style file to apply.</param>
232 /// <param name="styleName">The name of the style within the JSON file to apply.</param>
233 /// <since_tizen> 3 </since_tizen>
234 public void ApplyStyle(View control, string jsonFileName, string styleName)
236 NDalicPINVOKE.StyleManager_ApplyStyle(swigCPtr, View.getCPtr(control), jsonFileName, styleName);
237 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
240 internal StyleChangedSignal StyleChangedSignal()
242 StyleChangedSignal ret = new StyleChangedSignal(NDalicPINVOKE.StyleManager_StyleChangedSignal(swigCPtr), false);
243 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();